[ad. W. llech (flat) stone = Ir., Gael. leac. Cf. CROMLECH.] A Celtic monumental stone.
1768–9. J. Cleland, Spec. Etym. Vocab., 134. A Lech differs from a Cromlech, in that it means the top-stone of a Cromlech, or any sacred stone; whereas Cromlech expresses its adjunct stones and circle underneath it.
1899. Baring-Gould, Bk. West, II. 28. [St. Patrick] did not overthrow their lechs or pillar-stones.
